Proper noun
Lupercus
(Roman mythology) A god who protected flocks, in some sources identified with Faunus in the aspect of Innus, and by extension as the equivalent of the Greek Πὰν Λυκαῖος (Pàn Lukaîos, “Lycaean Pan”).
At the time, it was known as the Year of the Consulship of Lupercus and Atilianus (or, less frequently, year 888 Ab urbe condita ). Source: Internet
The festival involved random coupling and animal sacrifices, and was designed to appease the fertility god of Rome - Lupercus. Source: Internet